The pedal construction is plain weird. A moment I thought perhaps this guy is disabled and can't bend his knee, but even then the contraption is pointless. Why even bother with the crank in the first place if that is the problem.

That kind of crank assembly allows multiple crank lengths by varying the angle between the two arms. Similar things are used on some size cycles. Why it is built off a clavicula donor crank is a mystery though?

The large metal plate at the bb allows the bb to be positioned at various heights by rotating it to the desired position.

My guess is that its some kind of whack-job size cycle. With lightweights. And a bazooka. And full carbon construction.

Um. Surely that thing on the back is the battery pack for an electric motor, and the bizarre pedal arrangement is set up like the throttle pedal on a motorbike? ie. it's not a human powered machine. You'll notice wires coming out of where the BB is, and the oversized chunky construction is probably necessary to contain and resist the forces generated by the motor.

My first thought was it is set up for someone with a BKA and a cleat on their prosthesis. Then to make me more confused I noticed that the drive side crank doesn't appear to be anywhere that makes sense. If it was 180 to the non-drive side you should see it from the angle in the top picture. It doesn't look to be at the same position either if set up like motorbike as mentioned above as you would also see the through the rear wheel.I will be very curious to see what it is.

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